197970249 has 8 divisors (see below), whose sum is σ = 265642240. Its totient is φ = 131139216.

The previous prime is 197970229. The next prime is 197970259. The reversal of 197970249 is 942079791.

It is a happy number.

197970249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197970249 - 2⁵ = 197970217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197970198 and 197970207.

It is not an unprimeable number, because it can be changed into a prime (197970209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209689 + ... + 210630.

It is an arithmetic number, because the mean of its divisors is an integer number (33205280).

Almost surely, 2^197970249 is an apocalyptic number.

It is an amenable number.

197970249 is a deficient number, since it is larger than the sum of its proper divisors (67671991).

197970249 is a wasteful number, since it uses less digits than its factorization.

197970249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420479.

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 197970249 is about 14070.1900840038. The cubic root of 197970249 is about 582.8184744370.

The spelling of 197970249 in words is "one hundred ninety-seven million, nine hundred seventy thousand, two hundred forty-nine".